SB ACOUSTICS 10
SB ACOUSTICS 10
SB ACOUSTICS 10
SB ACOUSTICS 10
SB ACOUSTICS 10
SB ACOUSTICS 10

SB ACOUSTICS 10" WOOFER - NRX

    $279.00

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  • Order Code: SB29NRX75-8
  • Availability: In Stock

    • 75mm Voice coil, norex paper cone, rubber surround, ferrite motor, aluminium chassis

    LONG STROKE - DOUBLE MAGNET

  • Hard Paper proprietary cone materials made in-house for consistency. Low damping SBR rubber surround with high exertion and resilience. Open structure cast frame for reduced reflections and compression. Aluminium alloy for light weight, non-magnetic and extra rigidity. Shorting Copper cap on pole piece. Non-inductive 75mm coil former.

    • Hard paper cone for improved piston operation (made in-house)
    • Vented pole piece for minimum compression
    • Vented cast aluminium chassis for optimum strength and low compression
    • 3 copper voice coil for improved power handling
    • Long life silver lead wires
    • Low damping rubber surround for improved dynamic linearity
    • Non-conducting fiber glass voice coil former for minimum damping
      • <...

    • The goal of SB Acoustics with their NRX series of performance drivers has been to design a simple, yet optimised speaker driver at a competitive price to achieve a high performance to cost ratio for their customers who appreciate premium quality audio. To this end, SBA are proud to present their NRX series: Close attention to design engineering with manufacturing materials and processes to optimize performance. The coil former material is fibre glass. It is fundamental to use a non-conducting former material to ensure a low mechanical loss and high Qms. We prefer the damping to be electrical rather than mechanical, as this puts the amplifier in control. This is important if you want the driver to accurately reproduce the electrical signal. The woofers feature large diameter copper wire voice coils for improved power handling and allows for efficient ventilation through the centre pole. The basket is also vented under the spider to reduce compression to an absolute minimum, which is necessary to ensure good dynamics. The motor structure is simple, but all dimension have been optimizes to ensure BL symmetry and good saturation of the iron in the coil region. The surrounds are low damping SBR with a low shore hardness, which ensures good linearity. Stability is obtained by making the rolls just thick enough to withstand the high pressure in smaller cabinets without “collapsing”. The geometry of the surround and spider start limiting at the same time with a linear region slightly exceeding that of the coil overhang. This all ensures good linearity without hard clipping or mechanical damage to the cone at high levels. The cone material is made in-house using a proprietary blended hard stiff natural materials we call NOREX®. Cone stiffness is important to a woofer, as it should behave like a piston that moves air without flexing. This clearly improves bass reproduction. The baskets are cast aluminium to insure a rigid open structure. This makes the optimum foundation for the moving parts and has been designed not only to look good but also to offer some unique mounting options. They even come with gaskets pre-mounted. The copper cap also reduces the inductance. This results is increased bandwidth and improved transient response. Read / Show More
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    SB ACOUSTICS 10

    Found in Category : Speaker Drivers

    Product Specs for SB ACOUSTICS 10" WOOFER - NRX

    Description 75mm Voice coil, norex paper cone, rubber surround, ferrite motor, aluminium chassis
    Type Woofer
    Size 10"
    Price Type each
    Power 200Wrms
    Coil 75.6mmØ
    Width 290mmØ
    Impedance 8Ω (Re 6.2Ω)
    Depth 133.1mm
    Mag. 2.1kg
    Sens. 88dB
    Re 6.2Ω
    Qms 7.06
    Qes 0.39
    Qts 0.37
    Vas 85.6L
    Sd 312cm²
    Cms 0.63mm/N
    Fs 26Hz
    Mms 58.9g
    Zn 8Ω
    Le 1.34mH
    Rms 1.4kg/s
    Diam. 290mmØ
    Manufacturer SB Acoustics
    eBook

    Link to eBook
    Wagner eBook 03-178
    Flux (lm) 0.9T
    QTY 1
    Inch 10"
    Bl 12.4Tm
    Power (RMS) 151-200 Watt
    Prms 200W
    Xmax 22mm
    Page 33
    Impedance (Ohm) 8 ohm
    Series Norex Cones
    Brand. SB Acoustics
    DescriptionFileSize
    Datasheet SB29NRX75-8.pdf 541 KB
    SB Acoustics Catalogue SB-Acoustics-Catalogue.pdf 26130 KB

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